While other “gourmet” brewing systems may require expensive and complicated additional quipment to fine tune the brewing process, Curtis G3 GEMINI® Systems accomplish these settings at the touch of a button! One simple button lets you select your brew from a variety of pre-programmed coffee recipes. When enabled, the recipe programming will precisely set ALL gourmet functions automatically... from pre-infusion to pulse brewing to water bypass percent. And, you can fine tune your signature beverage even further.